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I think I figured out why my middle axle's seals are leaking: This little guy is seized shut! Just as I removed it from its hole a second-long puff of air came out of the axle tube! It's held pressure this entire time! I think it's time to get a new vent. EDIT: I just freed up the top...

Yikes - that's crazy! I believe you should be able to install a wheel weight without having to undo a clamp ring nut - just fasten with another lock nut on top of it and torque to spec... For which it actually doesn't have a spec :unsure: I've considered this in the past and think that the...

If you're going to keep the CTIS valve, I'd keep the wheel weight. However, I think the weight needs to be moved a stud CCW - it doesn't look balanced. I think the TM section for tire maintenance shows it that way too. On my truck each of the weights were installed in a different position, so...

Those might be good. My experience with reproduction windshield panels is from over 15 years ago, so they might've been refined since.

Are you sure about that? The fan makes a loud WHOOSH sound when it's engaged with a noticeable breeze coming out of the front wheel wells, otherwise it just windmills. I believe if the fan clutch were to fail for some reason that it actually fails in the "Off" position instead of the "On"...

If those windshield panels are what I think they are, they may require some cutting around the gasket and maybe some redrilling of hardware holes in the frame. My dad went that route with his M37, which I believe uses the same windshield panels. I'd consider getting them professionally fixed...

Good question. I don't see anything specified in the parts TM. Maybe @Guyfang might have a tools document. Have you tried asking at G503.com? The history guys there might know something.

Be sure the oil you go with is safe to use with yellow metals (bronze?).

Welcome to the M44A3 club! I would've kept the van box though - M109A4 trucks seem pretty rare compared to M35A3 and M35A3C trucks. But I'm in it for the history, not so much practicality (though it's a good excuse to my wife :ROFLMAO:) . Although it's nice to be able to use a 12'x8' bed to...

I'd love to have the space for that :ROFLMAO: My shop cupboard is running out of room!

@Balalala do you have any of the TMs for the truck? I recommend downloading all the PDFs, which I believe are all searchable with CTRL+F. You can find them here if you don't already have them.

I've read that too. A gob of the RTV seems more effective than cork.

The tach sensor might have to be adjusted - mine does the same thing and I haven't messed with anything on the gauge cluster. The tach sensor is a magnetic unit near the flywheel. I think the best way to get to it is to pull the dog house. There's a sensor adjustment procedure in volume 1 of...

I wish my A3 had an MT643 in it, but apparently AM General didn't want to go too crazy with shifting too many driveline components around for the ESP trucks.

Thanks for the info - it seems that any pictures I've seen of this job there's always an oil pan half-full with GO, making it look pretty messy!

Has anyone measured how much oil drains out of the rear drive axle tube when removing the drive flange? I'm trying to figure out how much gear oil to buy for my wheel seal project. I'm thinking it's going to be somewhere between 2 and 3 quarts per wheel but I really have no idea. I was going...

This reminds me of what happened to the MUTTs here, though IIRC the government was actually sued because someone got hurt rolling one over. But wasn't the Canadian Army selling Leopard C2s awhile back? I would've loved to get a couple of those :love: @seano11 nice score! I wouldn't mind a...

Good to know - I'll be needing some GO to top off my pumpkins soon!

I'm bringing this back to life - I'm going to pull axle shafts soon and wonder what I should use in 2023 as far as Permatex gasket maker goes for the drive flanges: The black stuff (#75190) has maximum oil resistance. If the drive flange is supposed to help keep gear oil from escaping, I'd...

Kinda reminds me of how Fred Flintstone stops his car - both feet to (through?) the floor!